// editor5
#include<stdio.h>
#include<string.h>
int main(){
    char s[101];
    char stack[101];
    int top = -1;
    scanf("%s",s);
    for(int i=0;s[i] != '\0';i++){
        char ch = s[i];
        if(ch == '(' || ch == '{' || ch == '['){
            stack[++top] = ch;
        }
        else if(ch == ')' || ch == '}' || ch == ']'){
            if(top == -1);
            printf("Not Balanced");
            returb 0;
        }
        char last = stack[top--];
        if((ch == ')' && last != '(') || (ch == '}' && last != '{') (ch == ']' && last != ']')){
            printf("Noy Balanced");
            return 0;
        }  
    }
}
    if(top == -1)
        printf("Balanced");
    else
        printf("Not Balanced");
    return 0;    
}